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Jasmine: Convert tests of parser's "eolEscapeSequence" rule

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This commit is contained in:
David Majda 2012-04-20 15:30:34 +02:00
parent 4f91286013
commit a27dc5ae4a
2 changed files with 16 additions and 12 deletions
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19
spec/parser.spec.js
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@ -1,8 +1,8 @@
describe("PEG.js grammar parser", function() { describe("PEG.js grammar parser", function() {
var trivialGrammar; var trivialGrammar;
beforeEach(function() { function literalGrammar(value) {
trivialGrammar = { return {
type: "grammar", type: "grammar",
initializer: null, initializer: null,
rules: [ rules: [
@ -10,11 +10,15 @@ describe("PEG.js grammar parser", function() {
type: "rule", type: "rule",
name: "start", name: "start",
displayName: null, displayName: null,
expression: { type: "literal", value: "abcd", ignoreCase: false } expression: { type: "literal", value: value, ignoreCase: false }
} }
], ],
startRule: "start" startRule: "start"
}; };
}
beforeEach(function() {
trivialGrammar = literalGrammar("abcd");
this.addMatchers({ this.addMatchers({
toParseAs: function(expected) { toParseAs: function(expected) {
@ -68,6 +72,15 @@ describe("PEG.js grammar parser", function() {
}); });
}); });
/* Canonical eolEscapeSequence is "\\\n". */
it("parses eolEscapeSequence", function() {
expect('start = "\\\n"' ).toParseAs(literalGrammar("\n"));
expect('start = "\\\r\n"' ).toParseAs(literalGrammar("\r\n"));
expect('start = "\\\r"' ).toParseAs(literalGrammar("\r"));
expect('start = "\\\u2028"').toParseAs(literalGrammar("\u2028"));
expect('start = "\\\u2029"').toParseAs(literalGrammar("\u2029"));
});
/* Trivial character class rules are not tested. */ /* Trivial character class rules are not tested. */
/* Canonical __ is "\n". */ /* Canonical __ is "\n". */

9
test/parser-test.js
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@ -516,13 +516,4 @@ test("parses unicodeEscapeSequence", function() {
parserParses('start = "\\u01234"', literalGrammar("\u01234")); parserParses('start = "\\u01234"', literalGrammar("\u01234"));
}); });
/* Canonical eolEscapeSequence is "\\\n". */
test("parses eolEscapeSequence", function() {
parserParses('start = "\\\n"', literalGrammar("\n"));
parserParses('start = "\\\r\n"', literalGrammar("\r\n"));
parserParses('start = "\\\r"', literalGrammar("\r"));
parserParses('start = "\\\u2028"', literalGrammar("\u2028"));
parserParses('start = "\\\u2029"', literalGrammar("\u2029"));
});
})(); })();